As 2012 comes to a close we want to focus on what drove the tremendous growth at some of the top-performing companies in the materials sector. Starting off the list at No. 10 is Southern Copper (NYSE:SCCO). The company is the No. 1 copper company in the world when measured by reserves. Up over 20% this year, Southern Copper has outperformed its peer group by a hefty margin due to its low cost structure, among other factors. Will this ride continue throughout 2013? Check out the video below where energy and materials analyst, Taylor Muckerman, provides his input on how 2012's momentum will translate moving forward.

Joel South has no positions in the stocks mentioned above. Taylor Muckerman has no positions in the stocks mentioned above. The Motley Fool owns shares of Freeport-McMoRan Copper & Gold. Try any of our Foolish newsletter services free for 30 days. We Fools may not all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. The Motley Fool has a disclosure policy.